<div id="subnav">
    <ul>
        <?php if (has_access_to('Admin::Modify Users')) { ?><li><?php echo link_to('Users',array('controller'=>'admin/users'))?></li><?php } ?>
        
        <?php if (has_access_to('Admin::Modify Roles')) {?><li><?php echo link_to('Roles',array('controller'=>'admin/roles'))?></li><?php } ?>
        
        <?php if (has_access_to('Admin::Modify Permissions')) {?><li><?php echo link_to('Permissions',array('controller'=>'admin/access'))?></li><?php } ?>
    </ul>
</div>